scripts: localversion: do not append "+"

Change-Id: I89b64f9cc2d067acf2b2648f35efdc5b2fadecf6
Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 0c8741b..8afc2de 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -186,7 +186,6 @@
 	# LOCALVERSION= is not specified
 	if test "${LOCALVERSION+set}" != "set"; then
 		scm=$(scm_version --short)
-		res="$res${scm:++}"
 	fi
 fi